中文说明：使用拉亚普诺夫指数的公式，包括脚本文件和函数文件形式，包括主成分分析、因子分析、贝叶斯分析，esprit算法对有干扰的信号频率进行估计,ML法能够很好的估计信号的信噪比,预报误差法参数辨识-松弛的思想。
English Description：
Use the layapunuofu index formula, including script files and function files, such as principal component analysis, factor analysis, Bayesian analysis, ESPRIT algorithm for frequency estimation with interference signal, ML method can be a good estimation of the signal to noise ratio and parameter identification of prediction error method-loose ideas.